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    TFPNotNode.GetNodeValue

    Calculate the result of NOT operation

    Declaration

    Source position: fpexprpars.pp line 390

    public 
procedure TFPNotNode.GetNodeValue(var Result: TFPExpressionResult)
                                 ;  override;

    Description

    The GetNodeValue method performs the logical NOT operation by evaluating the operand and inverting its boolean result. It returns True if the operand is False, and False if the operand is True.